Coforge Data Scientist Interview Questions
The questions to prepare for a Coforge Data Scientist interview. Questions from real interview reports rank first. Updated daily.
Use PostgreSQL CTEs and ROW_NUMBER to return the top three products by monthly revenue within each category.
CoforgeExplain how to identify, replace, filter, and flag missing values in PostgreSQL using NULL-aware SQL techniques.
CoforgeRewrite a slow PostgreSQL loan payment query to reduce scanned rows while preserving the required aggregated results.
AmeripriseEEltro Cyberchrome Private
EnergyHubFind the second highest distinct salary from a single employee table using PostgreSQL ordering and limiting.
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DXC TechnologyPick a primary success metric and guardrails for a new feature, balancing user value with broader product health.
CoforgeTests exploratory analysis skills to surface meaningful patterns and outliers.
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Define primary and guardrail metrics for a discovery UI test, with power, MDE, and a pre-registered analysis plan.
CoforgeExplain how supervised and unsupervised learning differ, and ground the distinction in a practical ML example.
CoforgeDecide whether a metric drop reflects a real shift or normal variation using hypothesis testing, confidence intervals, and baseline variability.
CoforgeFramework for diagnosing churn and prioritizing product changes to improve retention in a subscription service.
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